https://bugs.kde.org/show_bug.cgi?id=432727

            Bug ID: 432727
           Summary: system logs flood regarding cpufreq
           Product: ksysguard
           Version: 5.20.90
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: ksysguard
          Assignee: ksysguard-b...@kde.org
          Reporter: mak...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: ---

SUMMARY
dmesg is flooded with messages like this:
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu5/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu6/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu7/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu8/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu9/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu10/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu11/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu12/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu13/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu14/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu15/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu5/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu6/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu7/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu8/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu9/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu10/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu11/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu12/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu13/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu14/cpufreq/cpuinfo_cur_freq"): device not open
Feb 10 10:25:21 pc-kubuntu org.kde.ksystemstats[2782]: QIODevice::read (QFile,
"/sys/devices/system/cpu/cpu15/cpufreq/cpuinfo_cur_freq"): device not open


STEPS TO REPRODUCE

the log flooding goes on regardeless ksysguard is opened or not
OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: kubuntu 21.04
(available in About System)
KDE Plasma Version: 5.20.90
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

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